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attempt to invoke virtual method 'void androidx.appcompat.app.actionbar.settitle(java.lang.charsequence)' on a null object reference

Technical Problem Cluster First Answered On May 24, 2021 Popularity 7/10 Helpfulness 2/10

Contributions From The Grepper Developer Community

Contents

Code Examples

  • Attempt to invoke virtual method 'void androidx.appcompat.app.ActionBar.setTitle(java.lang.CharSequence)' on a null object reference

  • Related Problems

  • attempt to invoke virtual method 'void androidx.appcompat.app.actionbar.settitle(java.lang.charsequence)' on a null object reference
  • attempt to invoke virtual method 'void android.widget.textview.settext(java.lang.charsequence)' on a null object reference
  • attempt to invoke virtual method on a null object reference
  • java.lang.nullpointerexception: attempt to invoke virtual method 'int java.lang.integer.intvalue()' on a null object reference
  • Attempt to invoke virtual method 'void androidx.appcompat.app.ActionBar.setTitle(java.lang.CharSequence)' on a null object reference

    0
    Popularity 7/10 Helpfulness 2/10
    Contributed on May 24 2021
    25 Answers  Avg Quality 4/10


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